Bewolking — 2007
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 82.3 % | – | – |
| Feb | 84.6 % | – | – |
| Mar | 56.4 % | – | – |
| Apr | 37.9 % | – | – |
| May | 68.6 % | – | – |
| Jun | 72.8 % | – | – |
| Jul | 63.3 % | – | – |
| Aug | 68.7 % | – | – |
| Sep |
| 67.7 % |
| – |
| – |
| Oct | 65.8 % | – | – |
| Nov | 73.6 % | – | – |
| Dec | 59 % | – | – |